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Endless belt power transmission systems or components August inventions list 08/10

20100216580 - Silent chain: In a silent chain, cushion pads are provided in the inner flank regions of at least every second link row. These cushion pads restrict inward flexion of the chain and reduce vibration of the free span regions of the chain. The cushion pads can be individual pads each associated with... Agent: Howson & Howson LLP

20100216581 - Silent chain transmission: In a silent chain transmission, the distance between the centers of front and rear pin holes of each of the inner link plates of the chain is smaller than the length of the smallest chord obtained by dividing, by the number of sprocket teeth, the circumference of a circle having... Agent: Howson & Howson LLP

20100216582 - Silent chain: String vibration is reduced without causing friction loss. A silent chain is comprised of a multiple number of link plates, each of which has a pair of tooth portions and pin holes and which are laminated laterally and longitudinally and guide plates which are arranged at outermost positions of the... Agent: Borgwarner Inc. C/o Brown & Michaels, PC

20100216583 - V-ribbed belt having an outer surface with improved coefficient of friction: A V-ribbed belt for a mechanical power transmission is disclosed. The V-ribbed belt comprises an outer back-side surface, an inner front-side surface, and a load-carrying section disposed between the front-side and back-side surfaces. The front-side surface includes a plurality of laterally spaced longitudinally extending v-ribs. The back-side surface includes a... Agent: Thompson Hine LLP

20100210383 - Actuator: This invention relates to an actuator and has particular reference to linear and rotary actuators, particularly those for use in the control of robotic arms. The invention provides a relatively low cost means of achieving substantially backlashfree rotary and/or linear motion. There is provided an actuator (10) comprising: a first... Agent: Moore & Van Allen PLLC

20100210384 - Blade tensioner with captured spring: A chain tensioner assembly includes a bracket with a main wall and a ramp surface. A blade assembly is connected to the bracket and includes a blade located adjacent the main wall of the bracket. The blade includes: (i) a first blade end with a pivot aperture; (ii) a second... Agent: Fay Sharpe LLP

20100210385 - Tensioner assembly for a rotary drive: A tensioner assembly for an endless drive element is provided that utilizes rotary motion and damping with decoupled tensioning and damping components. The tensioner assembly includes a rotatable element in contact with a span of the drive element and rotatable via the drive element, and a first linkage supporting the... Agent: Quinn Law Group, PLLC

20100210386 - Torque limiter arrangement for a horizontal grinder: A compact low capacity torque limiter is installed in a drive sheave of a belt drive connecting an engine to the hammer mill of a horizontal grinder.... Agent: John R. Benefiel

20100210387 - Silent chain: String vibration is reduced without causing friction loss. A silent chain is comprised of a multiple number of link plates, each of which has a pair of tooth portions and pin holes and which are laminated laterally and longitudinally and guide plates which are arranged at outermost positions of the... Agent: Borgwarner Inc. C/o Brown & Michaels, PC

20100203988 - Power transmission chain and power transmission system: With respect to pitch length, links include two types of a link L1 which has a small pitch length and a link L2 which has a large pitch length. With respect to pin shape, pins include two types a pin P1 of which a curvature of a rolling contact surface... Agent: Mcginn Intellectual Property Law Group, PLLC

20100203989 - Power transmission device: A power transmission device is installed in a vehicle and connected to a power generation source that is capable of outputting power for driving. The power transmission device includes a belt-type continuously variable transmission; a working fluid accumulation portion; a friction engagement element; a first pump; a pressure regulating valve;... Agent: Oliff & Berridge, PLC

20100203990 - Continuously variable transmission: A continuously variable transmission comprises an input shaft and an output shaft, a drive wheel, a toothed wheel or a chain wheel, an endless sleeve, a ring wheel, at least one linking member, wedge teeth or a chain, wherein the drive wheel is provided with an annular recess in which... Agent: Kevin J. Mcneely, Esq.

20100203991 - Chain guiding element for a timing chain, timing chain drive, and vehicle engine: A chain guiding element (1) for a timing chain (7) of a timing chain drive, with the guiding element having a rigid base body (3) is provided. A spring element (4) is arranged on the base body (3). The side of the spring element (4) facing the control chain has... Agent: Volpe And Koenig, P.C.

20100203992 - Randomized chain sprocket and method for making a sprocket: A randomized chain sprocket has a set of four tooth gaps having three different tooth gap radial locations, two different link angles, and a chain with constant link pitch.... Agent: Lucas & Mercanti, LLP

20100203993 - V-ribbed belt: Provided is a V-ribbed belt that can suppress generation of slippage when it is splashed with water, and generation of noise. A V-ribbed belt has a rib-forming surface with plural rows of ribs formed therein and extending in a belt longitudinal direction to allow the rib-forming surface to be brought... Agent: Berliner & Associates

20100203994 - Friction drive belt and automotive accessory drive belt transmission system using the same: A friction drive belt (B) includes short fibers (14) and carbon black (18) both scattered so as to be exposed at a surface of at least a contact part (13) of a rubber belt body (10) with a pulley. The short fibers (14) include short, high modulus fibers made of... Agent: Roberts Mlotkowski Safran & Cole, P.C. Intellectual Property Department

20100197431 - Chain tensioner: A chain tensioner (1) having a plunger (12) slidably assembled in a cylinder portion (13) together with a return spring (11), the chain tensioner (1) further has a stopper plate (22) having a through-hole (22a) formed therein, through which the plunger (12) is inserted; and a biasing member (24) disabling... Agent: Arent Fox LLP

20100197432 - Tensioning device for traction mechanism drives: The invention relates to a tensioning device (1) of a traction mechanism drive, comprising a base part (2) and a pivot arm (9), between which base part (2) and pivot arm (9) is inserted a torsional spring (17) which exerts both a torque on the pivot arm (9) and also... Agent: Lucas & Mercanti, LLP

20100197433 - Synchronous drive apparatus and methods: A synchronous drive apparatus includes first and a second rotors. The rotors have multiple teeth for engaging engaging sections of an elongate drive structure. A rotary load assembly couples to the second rotor. The elongate drive structure engages about the rotors. The first rotor drives and the second rotor is... Agent: Magna International, Inc.

20100197434 - Helical synchronous belt made of urethane: Provide a helical synchronous belt comprising a urethane resin back layer, teeth and core cords, with silicone oil attached to the teeth side, which can demonstrate sufficient durability even in the case of a narrow helical synchronous belt required by small, precision equipment, etc.... Agent: Knobbe Martens Olson & Bear LLP

20100197435 - Belt with wear-resistant anti-static fabric: The invention is directed to a drive belt such as a transport or synchronous or power transmission belt with an elastomeric belt body having a drive side and a back side, a tensile member embedded in the belt body, and an anti-static, wear-resistant, covering fabric on at least one of... Agent: The Gates Corporation